1
Introduction
Learning objectives
After completing this chapter the student should be able to
describe the role of chemistry in modern life;
define some of the physical properties of drugs, e.g. polarity, solubility,
melting point, boiling point and acid–base properties;
explain the terms pH, pK a , buffer and neutralization.
1.1 Role of chemistry in modern life
Chemistry is the science of the composition, structure, properties and
reactions of matter, especially of atomic and molecular systems.
Life itself is full of chemistry; i.e., life is the reflection of a series of
continuous biochemical processes. Right from the composition of the cell to
the whole organism, the presence of chemistry is conspicuous. Human beings
are constructed physically of chemicals, live in a plethora of chemicals and
are dependent on chemicals for their quality of modern life. All living
organisms are composed of numerous organic substances. Evolution of life
begins from one single organic compound called a nucleotide. Nucleotides
join together to form the building blocks of life. Our identities, heredities and
continuation of generations are all governed by chemistry.
In our everyday life, whatever we see, use or consume is the gift of
research in chemistry for thousands of years. In fact, chemistry is applied
Chemistry for Pharmacy Students Satyajit D Sarker and Lutfun Nahar
# 2007 John Wiley & Sons, Ltd.
Introduction
Learning objectives
After completing this chapter the student should be able to
describe the role of chemistry in modern life;
define some of the physical properties of drugs, e.g. polarity, solubility,
melting point, boiling point and acid–base properties;
explain the terms pH, pK a , buffer and neutralization.
1.1 Role of chemistry in modern life
Chemistry is the science of the composition, structure, properties and
reactions of matter, especially of atomic and molecular systems.
Life itself is full of chemistry; i.e., life is the reflection of a series of
continuous biochemical processes. Right from the composition of the cell to
the whole organism, the presence of chemistry is conspicuous. Human beings
are constructed physically of chemicals, live in a plethora of chemicals and
are dependent on chemicals for their quality of modern life. All living
organisms are composed of numerous organic substances. Evolution of life
begins from one single organic compound called a nucleotide. Nucleotides
join together to form the building blocks of life. Our identities, heredities and
continuation of generations are all governed by chemistry.
In our everyday life, whatever we see, use or consume is the gift of
research in chemistry for thousands of years. In fact, chemistry is applied
Chemistry for Pharmacy Students Satyajit D Sarker and Lutfun Nahar
# 2007 John Wiley & Sons, Ltd.